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st: unbalanced kappa confidence interval

From   Melissa Wright <>
Subject   st: unbalanced kappa confidence interval
Date   Tue, 5 Jul 2011 10:50:20 +0100

I have 28 raters, 12 subjects and 3 categories.  For some subjects (3), 
there are some missing ratings (1 or 2 for each). 
I'm assuming I can use the 'kappa' command, but this doesn't give a 
confidence interval.
A paper was published in  Biometrics in 1986 (42, 883-893) , in which 
Shulamith T Gross presents kappa and confidence interval formulae  for 
such unbalanced designs. 
Does anyone know if Stata has a command for this, or some other 
appropriate method?

Many thanks
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